* Re: [gentoo-user] Anything better than procmail?
[not found] ` <eUEIF-73A-9@gated-at.bofh.it>
@ 2010-06-12 21:17 99% ` David W Noon
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From: David W Noon @ 2010-06-12 21:17 UTC (permalink / raw
To: gentoo-user
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On Sat, 12 Jun 2010 21:40:01 +0200, Stroller wrote about [gentoo-user]
Anything better than procmail?:
>Hi David,
>
>Your setup looks fairly similar to my own, but I am intrigued by the
>differences.
Okay. I have been using all kinds of software for handling email,
dating back to my OS/2 days in the early 1990's. I regard my current
set-up as sweet.
>On 12 Jun 2010, at 12:35, David W Noon wrote:
>> ... Dovecot, but quickly replaced by dbmail.
>
>Can I ask you why?
Certainly.
I wanted the messages to be stored in a single, dedicated logical volume
in my DASD farm. Dovecot always stored them in each user's ~/Mail/
directory, so they were all over the /home L.V. In contrast, dbmail
uses a database, in my case PostgreSQL, so it is up to the database
administrator to decide where they go; but it is always in the one
place. This makes for easy backup and restore: a cron jobs runs
pg_dump every night on the dbmail database..
>I have found the author of Dovecot to be wonderfully responsive,
>pushing out a fix for a deal-breaker issue for my site within hours
>of me reporting it.
>
>> This allows you to use a sieve script, instead of procmail "recipes".
>
>Can I ask you what the advantage of this is, please?
The recipe syntax for procmail is seriously ugly. Sieve looks like
most other non-procedural languages from the early 1980's, although it
arose in the 1990's. Since I am an old geezer who has been programming
since the early 1970's, this syntax felt more comfortable. Sieve is
also integrated into dbmail.
>Looking at the example at
><http://en.wikipedia.org/wiki/Sieve_(mail_filtering_language)
> >, the language looks basically very similar to maildrop, and it
>seems to do pretty much the same thing.
I have never used maildrop.
>The reject syntax seems nice and clear, but if the MX server (for
>your email's domain name) has already accepted the message then it's
>not really much good rejecting it. In fact, doing so is surely
>frowned upon, isn't it?
I use a quarantine folder in my IMAP4 account, and my sieve script
places spam and infected messages there. Since the physical location
is on a logical volume that holds a PostgreSQL tablespace, any malware
is not executable, as that L.V. is mounted with "noexec". This is
another advantage over placing mail in the /home L.V., in each user's
home directory.
>> Moreover, each user maintains his/her own sieve script.
>
>As certainly would be the case with maildrop, and surely too with
>procmail?
I don't know about maildrop, but procmail is usually managed centrally
and hangs off the tail end of Postfix, Exim, Courier or whatever MTA you
have. I always switched to root to maintain my delivery recipes, back
when I ran procmail.
--
Regards,
Dave [RLU #314465]
======================================================================
dwnoon@ntlworld.com (David W Noon)
======================================================================
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